Figure 12

Pressure in the constant-volume chamber during discharge: initial pressure of the chamber is 5 MPa, the valve opening is (a) 0.3 mm, (b) 0.5 mm, (c) 0.8 mm; initial pressure of the chamber is 15 MPa, the valve opening is (d) 0.3 mm, (e) 0.5 mm, (f) 0.8 mm.